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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Yamaha YFZ450R (EFI) Full Single Exhaust System for 2009-2026 ModelsQuick Snapshot Fits: Yamaha YFZ450R EFI models (20092026) Up to +4 HP peak +8 HP over rev (with tuning) Up to +5 HP peak +10 HP over rev (with intake + tuning) Throttle Response: Faster, harder pull with power carrying higher into the RPMs Weight Savings: Significant reduction over stock Note: the muffler has been updated to the round style What Youll Feel This system is built for riders who want more than just peak numbers. The Barkers Full Single
Quick Snapshot
- Fits: Yamaha YFZ450R EFI models (2009–2026)
- Up to +4 HP peak / +8 HP over-rev (with tuning)
- Up to +5 HP peak / +10 HP over-rev (with intake + tuning)
- Throttle Response: Faster, harder pull with power carrying higher into the RPMs
- Weight Savings: Significant reduction over stock
- Note: the muffler has been updated to the round style
What You’ll Feel
This system is built for riders who want more than just peak numbers. The Barker’s Full Single delivers:
- Stronger acceleration out of corners
- Power that carries farther before shifting
- Sharper throttle response
- A deep, aggressive Barker’s exhaust note
Optional Add-Ons
👉 Also available as a Big 3 Package
Exhaust + intake + fuel controller for maximum performance.
Built the Right Way
Every Barker’s exhaust system is hand-built in the USA using premium materials:
- 304 stainless steel TIG-welded head pipe with smooth internal flow
-
6061 aircraft-grade aluminum canister, lightweight - highest quality
Each system is welded one at a time — not mass-produced.
Sound & Trail Options
- Quiet Core: Reduces sound by up to 5 dB
- Spark Arrestor: Helps keep trails open and meets many riding-area requirements
Both options install easily without sacrificing performance.
Dyno Chart: Stock vs. Uncorked vs. Barker's Single Tuned
Want to see the dyno results and testing process? Read our full YFZ450R exhaust dyno breakdown →
Dirt Trax Yamaha YFZ450R Install & Review Video:
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy